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fb: make fp_get_options name argument const

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drm_get_connector_name now returns a const value, which causes the following
compilation warning:

  drivers/gpu/drm/drm_fb_helper.c: In function ‘drm_fb_helper_parse_command_line’:
  drivers/gpu/drm/drm_fb_helper.c:127:3: warning: passing argument 1 of ‘fb_get_options’ discards ‘const’ qualifier from pointer target type [enabled by default]
  In file included from drivers/gpu/drm/drm_fb_helper.c:35:0:
  include/linux/fb.h:627:12: note: expected ‘char *’ but argument is of type ‘const char *’

As fb_get_options uses its name argument as read only, make it const. This
fixes the aforementioned compilation warning.

Signed-off-by: Vincent Stehlé <vincent.stehle@freescale.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: trivial@kernel.org
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Vincent Stehlé 2013-06-18 16:23:05 +02:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent baf9d52cbd
commit a66e62ae56
2 changed files with 2 additions and 2 deletions
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2
drivers/video/fbmem.c
View File

@ -1881,7 +1881,7 @@ static int ofonly __read_mostly;
*
* NOTE: Needed to maintain backwards compatibility
*/
int fb_get_options(char *name, char **option)
int fb_get_options(const char *name, char **option)
{
char *opt, *options = NULL;
int retval = 0;

2
include/linux/fb.h
View File

@ -624,7 +624,7 @@ extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u3
extern void fb_set_suspend(struct fb_info *info, int state);
extern int fb_get_color_depth(struct fb_var_screeninfo *var,
struct fb_fix_screeninfo *fix);
extern int fb_get_options(char *name, char **option);
extern int fb_get_options(const char *name, char **option);
extern int fb_new_modelist(struct fb_info *info);
extern struct fb_info *registered_fb[FB_MAX];